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331 € Cheap Flights from Seattle to Montreal Pierre Elliott Trudeau

Compare Seattle to Montreal Pierre Elliott Trudeau flight deals

Find the cheapest month or even day of the year to fly to Montreal Pierre Elliott Trudeau

Book the best Montreal Pierre Elliott Trudeau fare with no extra fees

Flight deals from Seattle to Montreal Pierre Elliott Trudeau

Looking for a cheap last-minute deal or the best return flight from Seattle to Montreal Pierre Elliott Trudeau Airport? If you want to travel next month, return fares start from 368 €. Find the lowest prices on one-way and return tickets right here.
Montreal.331 € per passenger.Departing Tue, 29 Sep, returning Mon, 19 Oct.Return flight with Frontier Airlines and WestJet.Outbound indirect flight with Frontier Airlines, departs from Seattle / Tacoma International on Tue, 29 Sep, arriving in Montreal Pierre Elliott Trudeau.Inbound indirect flight with WestJet, departs from Montreal Pierre Elliott Trudeau on Mon, 19 Oct, arriving in Seattle / Tacoma International.Price includes taxes and charges.From 331 €, select.
Montreal.331 € per passenger.Departing Mon, 14 Sep, returning Mon, 21 Sep.Return flight with Frontier Airlines and WestJet.Outbound indirect flight with Frontier Airlines, departs from Seattle / Tacoma International on Mon, 14 Sep, arriving in Montreal Pierre Elliott Trudeau.Inbound indirect flight with WestJet, departs from Montreal Pierre Elliott Trudeau on Mon, 21 Sep, arriving in Seattle / Tacoma International.Price includes taxes and charges.From 331 €, select.
Montreal.342 € per passenger.Departing Wed, 4 Nov, returning Sat, 7 Nov.Return flight with Air Canada.Outbound indirect flight with Air Canada, departs from Seattle / Tacoma International on Wed, 4 Nov, arriving in Montreal Pierre Elliott Trudeau.Inbound indirect flight with Air Canada, departs from Montreal Pierre Elliott Trudeau on Sat, 7 Nov, arriving in Seattle / Tacoma International.Price includes taxes and charges.From 342 €, select.
Montreal.350 € per passenger.Departing Thu, 22 Oct, returning Thu, 3 Dec.Return flight with WestJet.Outbound indirect flight with WestJet, departs from Seattle / Tacoma International on Thu, 22 Oct, arriving in Montreal Pierre Elliott Trudeau.Inbound indirect flight with WestJet, departs from Montreal Pierre Elliott Trudeau on Thu, 3 Dec, arriving in Seattle / Tacoma International.Price includes taxes and charges.From 350 €, select.
Montreal.356 € per passenger.Departing Wed, 7 Oct, returning Thu, 15 Oct.Return flight with WestJet.Outbound indirect flight with WestJet, departs from Seattle / Tacoma International on Wed, 7 Oct, arriving in Montreal Pierre Elliott Trudeau.Inbound indirect flight with WestJet, departs from Montreal Pierre Elliott Trudeau on Thu, 15 Oct, arriving in Seattle / Tacoma International.Price includes taxes and charges.From 356 €, select.
Montreal.356 € per passenger.Departing Wed, 26 Aug, returning Wed, 9 Sep.Return flight with Delta.Outbound indirect flight with Delta, departs from Seattle / Tacoma International on Wed, 26 Aug, arriving in Montreal Pierre Elliott Trudeau.Inbound indirect flight with Delta, departs from Montreal Pierre Elliott Trudeau on Wed, 9 Sep, arriving in Seattle / Tacoma International.Price includes taxes and charges.From 356 €, select.
Montreal.356 € per passenger.Departing Mon, 5 Oct, returning Thu, 12 Nov.Return flight with WestJet.Outbound indirect flight with WestJet, departs from Seattle / Tacoma International on Mon, 5 Oct, arriving in Montreal Pierre Elliott Trudeau.Inbound indirect flight with WestJet, departs from Montreal Pierre Elliott Trudeau on Thu, 12 Nov, arriving in Seattle / Tacoma International.Price includes taxes and charges.From 356 €, select.
Montreal.368 € per passenger.Departing Mon, 10 Aug, returning Sun, 16 Aug.Return flight with WestJet.Outbound indirect flight with WestJet, departs from Seattle / Tacoma International on Mon, 10 Aug, arriving in Montreal Pierre Elliott Trudeau.Inbound indirect flight with WestJet, departs from Montreal Pierre Elliott Trudeau on Sun, 16 Aug, arriving in Seattle / Tacoma International.Price includes taxes and charges.From 368 €, select.
Montreal.372 € per passenger.Departing Tue, 9 Mar, returning Fri, 12 Mar.Return flight with Delta.Outbound indirect flight with Delta, departs from Seattle / Tacoma International on Tue, 9 Mar, arriving in Montreal Pierre Elliott Trudeau.Inbound indirect flight with Delta, departs from Montreal Pierre Elliott Trudeau on Fri, 12 Mar, arriving in Seattle / Tacoma International.Price includes taxes and charges.From 372 €, select.
Montreal.419 € per passenger.Departing Wed, 13 Jan, returning Wed, 20 Jan.Return flight with Air Canada.Outbound indirect flight with Air Canada, departs from Seattle / Tacoma International on Wed, 13 Jan, arriving in Montreal Pierre Elliott Trudeau.Inbound indirect flight with Air Canada, departs from Montreal Pierre Elliott Trudeau on Wed, 20 Jan, arriving in Seattle / Tacoma International.Price includes taxes and charges.From 419 €, select.
Montreal.421 € per passenger.Departing Thu, 10 Jun, returning Tue, 15 Jun.Return flight with Air Canada.Outbound direct flight with Air Canada departs from Seattle / Tacoma International on Thu, 10 Jun, arriving in Montreal Pierre Elliott Trudeau.Inbound direct flight with Air Canada departs from Montreal Pierre Elliott Trudeau on Tue, 15 Jun, arriving in Seattle / Tacoma International.Price includes taxes and charges.From 421 €, select.
Montreal.439 € per passenger.Departing Wed, 29 Jul, returning Tue, 1 Sep.Return flight with Delta.Outbound indirect flight with Delta, departs from Seattle / Tacoma International on Wed, 29 Jul, arriving in Montreal Pierre Elliott Trudeau.Inbound indirect flight with Delta, departs from Montreal Pierre Elliott Trudeau on Tue, 1 Sep, arriving in Seattle / Tacoma International.Price includes taxes and charges.From 439 €, select.
Montreal.449 € per passenger.Departing Tue, 28 Jul, returning Tue, 4 Aug.Return flight with Delta.Outbound indirect flight with Delta, departs from Seattle / Tacoma International on Tue, 28 Jul, arriving in Montreal Pierre Elliott Trudeau.Inbound indirect flight with Delta, departs from Montreal Pierre Elliott Trudeau on Tue, 4 Aug, arriving in Seattle / Tacoma International.Price includes taxes and charges.From 449 €, select.
Montreal.463 € per passenger.Departing Sun, 4 Apr, returning Sun, 11 Apr.Return flight with Delta.Outbound indirect flight with Delta, departs from Seattle / Tacoma International on Sun, 4 Apr, arriving in Montreal Pierre Elliott Trudeau.Inbound indirect flight with Delta, departs from Montreal Pierre Elliott Trudeau on Sun, 11 Apr, arriving in Seattle / Tacoma International.Price includes taxes and charges.From 463 €, select.
Montreal.561 € per passenger.Departing Tue, 29 Dec, returning Sat, 2 Jan.Return flight with Delta.Outbound indirect flight with Delta, departs from Seattle / Tacoma International on Tue, 29 Dec, arriving in Montreal Pierre Elliott Trudeau.Inbound indirect flight with Delta, departs from Montreal Pierre Elliott Trudeau on Sat, 2 Jan, arriving in Seattle / Tacoma International.Price includes taxes and charges.From 561 €, select.
Montreal.573 € per passenger.Departing Sat, 26 Dec, returning Wed, 30 Dec.Return flight with Air Canada.Outbound indirect flight with Air Canada, departs from Seattle / Tacoma International on Sat, 26 Dec, arriving in Montreal Pierre Elliott Trudeau.Inbound indirect flight with Air Canada, departs from Montreal Pierre Elliott Trudeau on Wed, 30 Dec, arriving in Seattle / Tacoma International.Price includes taxes and charges.From 573 €, select.

Find the cheapest month to fly from Seattle to Montreal Pierre Elliott Trudeau

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Seattle to Montreal Pierre Elliott Trudeau flights are currently cheapest in September.
Jul
from 591 €
Aug
from 368 €
Sep
from 331 €
Oct
from 356 €
Nov
from 342 €
Dec
from 573 €
Jan
from 419 €
Feb
Find prices
Mar
from 372 €
Apr
from 463 €
May
Find prices
Jun
from 421 €

Direct flights from Seattle to Montreal Pierre Elliott Trudeau

Seattle to Montreal Pierre Elliott Trudeau: Alternative routes

Compare routes from Seattle to Montreal below. You may find an airport to fly into that's cheaper, faster, or easier than Montreal Pierre Elliott Trudeau.

Montreal St Hubert

11km from central Montreal
Closest
from 416 €
Search flights

Montreal Pierre Elliott Trudeau

16km from central Montreal
Cheapest
from 331 €
Search flights

Seattle to Montreal: Flight information

The things to know before you go.
Cheapest flight found331 €
Cheapest month to flySeptember
Average flight time5 hrs, 15 mins
Most popular airlineAir Canada
Average flights per week16

Finding cheap flights from Seattle to Montreal Pierre Elliott Trudeau: Frequently asked questions

The best price we found for a return flight from Seattle to Montreal Pierre Elliott Trudeau is 331 €. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
5 hours and 15 minutes is the average flight time from Seattle to Montreal Pierre Elliott Trudeau.
Air Canada and United fly direct from Seattle to Montreal Pierre Elliott Trudeau.
As of July 2026, there are 16 flights per week flying from Seattle to Montreal Pierre Elliott Trudeau.
The cheapest month to fly from Seattle to Montreal Pierre Elliott Trudeau is usually September.
After crunching the numbers on our flight calendar, we found that it is currently cheapest to fly from Seattle to Montreal Pierre Elliott Trudeau Airport on Monday, 14 September 2026.
Yes – the average flight time is 5 hours and 15 minutes.
We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Montreal Pierre Elliott Trudeau but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.

We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to Montreal is around 40 days in advance, so don’t leave your flight to the last minute.

Flying from Seattle to Montreal-Trudeau International Airport (YUL): What you need to know

  • Seattle-Tacoma International Airport (SEA) is Seattle's main airport. Check out your options for booking a flight from Seattle to Montreal-Trudeau International Airport (YUL) taking off from here.

  • Take off on a direct Seattle to Montreal-Trudeau International Airport flight and you'll be in the air for around 5 hours 10 minutes.

  • The timezone in Montreal is UTC-5, which is three hours ahead of Seattle. Montreal-Trudeau International Airport is located in Montreal.

  • The most popular route is from Seattle-Tacoma International Airport (SEA) to Montreal-Trudeau International Airport (YUL). Take your pick of 3 direct services each week. Air Canada operates a 7:20am departure between SEA and YUL.

  • Arrive at the airport on time so you don't miss your flight from Seattle to YUL. Be there at least two hours ahead for international flights and an hour early for domestic departures to avoid sprinting to your gate.

  • With more travellers during busy periods like July, get to the terminal earlier than usual. Two hours for domestic flights and as much as four for international journeys will help you deal with any delays. Remember things also get busy during major holidays like July Fourth.

Airports in Seattle

Seattle-Tacoma International Airport (SEA)

  • Seattle-Tacoma International Airport (SEA) provides a hassle-free way to reach your destination. Nonstop flights from Seattle to Montreal-Trudeau International Airport (YUL) can be booked from this terminal.

  • Air Canada is a leading airline that operates direct flights from Seattle to Montreal-Trudeau International Airport jetting out of SEA.

  • The airline with the highest booking numbers between SEA and YUL is Air Canada.

  • We make it simple to find cheap flights from Seattle to YUL with a stopover. To explore the options leaving from Seattle-Tacoma International Airport (SEA), uncheck 'Direct flights only.' Next, choose a flight offering a stop long enough to tour your chosen city. Some popular stopovers between SEA and YUL include:

    • Minneapolis-Saint Paul International Airport (MSP)

    • Vancouver International Airport (YVR)

    • Calgary International Airport (YYC)

  • SEA is around 23 kilometres from central Seattle. If you're ride-sharing, catching a taxi or driving from the centre, it'll take you 25 minutes or so to get there, depending on traffic. If you're taking public transport, expect the trip time to be around 35 minutes.

  • Searching for a convenient hotel close to Seattle-Tacoma International Airport? If you're catching an early flight from Seattle to Montreal-Trudeau International Airport, these accommodation options will put you just around the corner from the terminal:

  • Seattle-Tacoma International Airport has an excellent on-time record, so flight disruptions are less likely. Departures from SEA make it to their destination as scheduled 80% of the time.

Seattle Paine Field International Airport (PAE)

  • PAE is around 40 kilometres from central Seattle. It'll take 40 minutes or so to get to the airport by car from the city centre. Public transport takes approximately 1 hour 30 minutes.

  • Start your holiday early with an additional night away from home. Before catching your Seattle to YUL flight, kick back in one of these hotels near Seattle Paine Field International Airport:

  • Flights from Seattle Paine Field International Airport have a reputation for punctuality, with 80% of them landing as expected.

About Montreal-Trudeau International Airport (YUL)

Getting from Montreal-Trudeau International Airport (YUL) to central Montreal

  • Central Montreal is around 19 kilometres from Montreal-Trudeau International Airport and takes about 25 minutes to reach by car. See what your options are for making the trip into the city, whether that's with a taxi, car hire or ride-share.

  • Travelling by public transport will take you around 45 minutes.

How to find the cheapest flights from Seattle to Montreal-Trudeau International Airport (YUL)

  • 151 € is the lowest price for a one-way ticket from Seattle to Montreal-Trudeau International Airport. A return flight starts at 331 €. These prices may change depending on availability.

  • Don't wait until the last minute. You're more likely to find cheap flights from Seattle to YUL if you book early. Airlines often offer some amazing early bird deals.

  • The 'Whole month' search tool shows you the cheapest Seattle to Montreal-Trudeau International Airport tickets across every month. It's a great way to snap up a bargain if your plans are flexible.

  • You don't need to search every day to find out if fares have dropped when you create a Price Alert. We'll notify you when a lower fare pops up on plane tickets from Seattle to YUL.

  • Find an affordable flight from Seattle to Montreal-Trudeau International Airport by using the search filters. Select your preferred duration, number of stops and airlines, then sort the results by 'Cheapest' for the best deals.

The best time to fly from Seattle to Montreal-Trudeau International Airport (YUL)

  • July is the most popular month for flights from Seattle to Montreal-Trudeau International Airport (YUL). Visit Montreal in January for a more low-key escape.

  • The warmest month in Montreal is July, with temperatures ranging between 14ºC (57ºF) and 28ºC (82ºF). Book your Seattle to YUL plane ticket then if that's your ideal forecast.

  • Look for cheap tickets from Seattle to Montreal-Trudeau International Airport in January if you want to travel in cooler conditions. Temperatures are at their lowest then, ranging between -19ºC (-2ºF) and -2ºC (28ºF).

More about Montreal

  • When it comes to looking for somewhere to lay your head, you'll find the best places to stay in Montreal right here. Explore these options after you've booked your flight from Seattle to Montreal-Trudeau International Airport:

  • Cirque du Soleil - KURIOS and Montreal Botanical Garden are just a couple of the top attractions to put on your Montreal must-do list. Keep the momentum going by heading to Saint Joseph's Oratory of Mount Royal.

Explore more of Canada

  • Ottawa is just one of the many cities in Canada waiting to be discovered once you've seen Montreal. Around 153 kilometres away to the west, check out popular attractions including Rideau Canal National Historic Site, Parliament Hill and Rideau Canal, Locks 1 - 8 - Ottawa.

  • If you're ready to explore another major stop in Canada, head for Gatineau, about 153 kilometres west of Montreal. Canadian Museum of History, Luskville Falls and Meech Lake are the start of reasons to visit.

Prices shown on this page are estimated lowest prices only. Found in the last 12 days.